, Roger Mortimer, 1St Baron Mortimer Roger Mortimer, 1st Baron MortimerI11482b: d: Ancestors ? ? ? Roger Mortimer, 1st Baron Mortimer - ? ? ? Family Group Sheet - ChildPARENT (U) ?BirthDeath Father?Mother?PARENT (U) ?BirthDeath Father?Mother?CHILDRENMRoger Mortimer, 1st Baron MortimerBirthDeath